<table class="table-simple1" border="0" cellspacing="0" cellpadding="0">
  <tr *ngFor = "let h of header; trackBy: trackByItem">
    <td class="key">{{h.label}}</td>
    <td class="value">
      {{ data
        ? h.format 
          ? (data[h.key] || '--' | optimizeUnitF10)
          : data[h.key] || '--'
        : '--' 
      }}
    </td>
  </tr>
</table>